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LD7215W Fiches technique(PDF) 2 Page - NEC |
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LD7215W Fiches technique(HTML) 2 Page - NEC |
2 / 6 page 2 LD7215W GENERAL CHARACTERISTICS ELECTRICAL Frequency ……………………………………………… 5.85 to 6.65 GHz Output Power ………………………………………… 3 kW Heater Voltage ………………………………………… 6.3 V Heater Current ………………………………………… 4.5 A Type of Cathode ……………………………………… Indirectly heated, Impregnated Cathode Warm-up Time …………………………… 300 s MECHANICAL Dimensions …………………………………………… See outline Weight ………………………………………………… 30 kg approx. Focusing ……………………………………………… Periodic Permanent Magnet Mounting Position …………………………………… Any Electrical Connections ……………………………… Flying Leads Heater, Heater-Cathode, Helix, Anode, Collector and Thermal Protection RF Connections Input ………………………………………………… Type SMA Female Output ……………………………………………… Mates with CPR-137F Flange Cooling ………………………………………………… Forced Air ABSOLUTE RATINGS (Note 1, 2 and 3 ) ELECTRICAL Min. Max. Unit Heater Voltage ……………………………………… 6.0 6.6 V Heater Surge Current …………………………… – 8.0 A Heater Current ……………………………………… 3.0 5.0 A Heater Warm-up Time …………………………… 300 – s Helix Voltage ……………………………………… 12.5 13.7 kV Helix Current ……………………………………… – 25 mA Anode Voltage ……………………………………… 10.0 13.0 kV Anode Current ……………………………………… –0.5 0.5 mA Collector Voltage …………………………………… 8.0 9.5 kV Cathode Current …………………………………… – 1.5 mA Drive Power ………………………………………… – 24 mW Load VSWR ………………………………………… – 1.15 : 1 MECHANICAL Min. Max. Unit Cooling Air Flow …………………………………… 720 – kg/hr Operating temperature …………………………… 0 +45 ˚C Inlet air temperature ……………………………… –20 +45 ˚C Storage temperature ……………………………… –30 +70 ˚C |
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